Ezekiel 43:13
These are the measurements of the altar, using the long cubit. (A long cubit is a cubit and a handbreadth.) Its gutter must be one cubit deep and one cubit wide. It must have a rim one span wide around its edge. And this is the height of the altar:
Ezekiel 43:13, Readable English Bible (READ)
Note: A long cubit is about 21 inches. A span is about 9 inches.